QT Yellowstone Caldera (the eruptions of which can be violent enough to send a layer of ash six feet deep as far away as Chicago and which erupts every 600,000 or so years and last erupted 640,000 years ago) update

Al Nash
Al Nash, who is leaving as chief of public affairs for Yellowstone National Park after nine years, reminiscing about the hardest part of the job:
“People out there who are convinced that Yellowstone is going to explode at any moment–and that we are keeping that fact from them.”
Nash assures us that these fears are without basis.
As he gets the hell out.

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